I believe the charging cable has a bent pin before it is inserted into the phone which damages the charging port after a few insertions. Most customers would not examine this part as it is supposed to be a brand new original charging cable. Then they tell you your data will be erased and a refurbished phone will be sent to you for $350. A less than $20 part which takes 5 minutes to replace. It seems they might be swapping people's phones around and making a killing.